/Engine/Source/Runtime/Core/Public/Containers/Set.h
Determine whether the specified set is entirely included within this set
True if the other set is entirely included in this set, false if it is not
bool Includes ( const [TSet](API\Runtime\Core\Containers\TSet)< [ElementType](API\Runtime\Core\Containers\TSet\ElementType), KeyFuncs, Allocator > & OtherSet ) const